Quarter	US Dollars, Sum Over Component Sub-periods
1992-01-01	10628000000
1992-04-01	10923000000
1992-07-01	11303000000
1992-10-01	11070000000
1993-01-01	9827000000
1993-04-01	10297000000
1993-07-01	9748000000
1993-10-01	10397000000
1994-01-01	9686000000
1994-04-01	10764000000
1994-07-01	11490000000
1994-10-01	12988000000
1995-01-01	14141000000
1995-04-01	14900000000
1995-07-01	13935000000
1995-10-01	14711000000
1996-01-01	14515000000
1996-04-01	14062000000
1996-07-01	14018000000
1996-10-01	15424000000
1997-01-01	13987000000
1997-04-01	14966000000
1997-07-01	14000000000
1997-10-01	15742000000
1998-01-01	14674000000
1998-04-01	15592000000
1998-07-01	15421000000
1998-10-01	17152000000
1999-01-01	15757000000
1999-04-01	15663000000
1999-07-01	15721000000
1999-10-01	17285000000
2000-01-01	16441000000
2000-04-01	16372000000
2000-07-01	15495000000
2000-10-01	16396000000
2001-01-01	17338000000
2001-04-01	16257000000
2001-07-01	16050000000
2001-10-01	17304000000
2002-01-01	16761000000
2002-04-01	18251000000
2002-07-01	18494000000
2002-10-01	20273000000
2003-01-01	20773000000
2003-04-01	21356000000
2003-07-01	21502000000
2003-10-01	24562000000
2004-01-01	25766000000
2004-04-01	26840000000
2004-07-01	26936000000
2004-10-01	30685000000
2005-01-01	29535000000
2005-04-01	30723000000
2005-07-01	28968000000
2005-10-01	30395000000
2006-01-01	30329000000
2006-04-01	33120000000
2006-07-01	33210000000
2006-10-01	37258000000
2007-01-01	37746000000
2007-04-01	40255000000
2007-07-01	39297000000
2007-10-01	45634000000
2008-01-01	46888000000
2008-04-01	49933000000
2008-07-01	45152000000
2008-10-01	36956000000
2009-01-01	30769000000
2009-04-01	32180000000
2009-07-01	34452000000
2009-10-01	37710000000
2010-01-01	34014000000
2010-04-01	35808000000
2010-07-01	36741000000
2010-10-01	41144000000
2011-01-01	41529000000
2011-04-01	45093000000
2011-07-01	44101000000
2011-10-01	42403000000
2012-01-01	40896000000
2012-04-01	40336000000
2012-07-01	39606000000
2012-10-01	40820000000
2013-01-01	41122000000
2013-04-01	42033000000
2013-07-01	41721000000
2013-10-01	43979000000
2014-01-01	42532000000